The evaluation of a forearm fracture begins with a history and physical examination.

Physical findings in someone with a forearm fracture may include:

• Forearm tenderness
• Forearm swelling
• Forearm bruising
• Forearm deformity
• Abnormal capillary refill test:
• The capillary refill test is performed by pressing gently on a fingernail tip, to make the normally pink fingernail bed turn white. When this pressure is released, a well-hydrated (or mildly dehydrated person) will have enough blood flow to return the fingernail bed to its usual pinkish color in under two seconds.
• Hand numbness (unilateral)
• Hand weakness (unilateral)

Testing is required to make the diagnosis of a forearm fracture and determine its severity.

Tests that may be used to evaluate forearm fracture include:

• Extremity x-rays
• MRI
• Nuclear bone scan

For more information:

• Elbow fracture evaluation
• Wrist fracture evaluation